fix: reply only on subdomain

grishy · Aug 9, 2023 · fca815c · fca815c
1 parent 708f82d
commit fca815c
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/cmd/subdomain.go b/cmd/subdomain.go
@@ -73,8 +73,9 @@ func reader(ctx context.Context, conn *net.UDPConn) chan *dnsMsg {
 
 // selectQuestion filters and selects questions with the given FQDN suffix.
 func selectQuestion(fqdn string, qs []dns.Question) (res []string) {
+	suffix := "." + fqdn
 	for _, q := range qs {
-		if strings.HasSuffix(q.Name, fqdn) {
+		if strings.HasSuffix(q.Name, suffix) {
 			res = append(res, q.Name)
 		}
 	}